TY - JOUR AU - G.W. Reddien TI - Projection Methods and Singular Two Point Boundary Value Problems. JO - Numerische Mathematik PY - 1973 SP - 193 EP - 205 VL - 21 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1973__21_132225/ ID - NUMA_1973__21_132225 ER -